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1 // Copyright 2012 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CC_RESOURCES_RESOURCE_H_ | |
6 #define CC_RESOURCES_RESOURCE_H_ | |
7 | |
8 #include "cc/resources/resource_provider.h" | |
9 #include "ui/gfx/geometry/size.h" | |
10 | |
11 namespace cc { | |
12 | |
13 class Resource { | |
14 public: | |
15 Resource() : id_(0) {} | |
16 Resource(unsigned id, const gfx::Size& size, ResourceFormat format) | |
17 : id_(id), | |
18 size_(size), | |
19 format_(format) {} | |
20 | |
21 ResourceProvider::ResourceId id() const { return id_; } | |
22 gfx::Size size() const { return size_; } | |
23 ResourceFormat format() const { return format_; } | |
24 size_t bytes() const; | |
25 | |
26 inline static size_t MemorySizeBytes(const gfx::Size& size, | |
27 ResourceFormat format) { | |
28 DCHECK_EQ(0u, (BitsPerPixel(format) * size.width() * size.height()) % 8); | |
29 return (BitsPerPixel(format) * size.width() * size.height()) / 8; | |
30 } | |
31 | |
32 protected: | |
33 void set_id(ResourceProvider::ResourceId id) { id_ = id; } | |
34 void set_dimensions(const gfx::Size& size, ResourceFormat format) { | |
35 size_ = size; | |
36 format_ = format; | |
37 } | |
38 | |
39 private: | |
40 ResourceProvider::ResourceId id_; | |
41 gfx::Size size_; | |
42 ResourceFormat format_; | |
43 | |
44 DISALLOW_COPY_AND_ASSIGN(Resource); | |
45 }; | |
46 | |
47 } // namespace cc | |
48 | |
49 #endif // CC_RESOURCES_RESOURCE_H_ | |
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